fixes to index deletion: quoting of host name (a '-' may be part of the

url) and disabling the engage button when changing the url field at
'Delete by URL matching'

htroot/IndexDeletion_p.html

@@ -17,7 +17,7 @@
       <dl>
         <dt>One URL stub, a list of URL stubs<br/>or a regular expression</dt>
         <dd>
-          <textarea name="urldelete" id="crawlingURL" cols="64" rows="3" size="41" >#[urldelete]#</textarea>
+          <textarea name="urldelete" id="crawlingURL" cols="64" rows="3" size="41" onClick="d=document.getElementById('engage-urldelete');d.disabled=true;d.className='dangerdisarmed';">#[urldelete]#</textarea>
         </dd>
         <dt>Matching Method</dt>
         <dd>

htroot/IndexDeletion_p.java

@@ -130,7 +130,7 @@ public class IndexDeletion_p {
                     }
                     try {
                         DigestURI u = new DigestURI(urlStub);
-                        BlockingQueue<SolrDocument> dq = defaultConnector.concurrentDocumentsByQuery(CollectionSchema.host_s.getSolrFieldName() + ":" + u.getHost(), 0, 100000000, Long.MAX_VALUE, 100, CollectionSchema.id.getSolrFieldName(), CollectionSchema.sku.getSolrFieldName());
+                        BlockingQueue<SolrDocument> dq = defaultConnector.concurrentDocumentsByQuery(CollectionSchema.host_s.getSolrFieldName() + ":\"" + u.getHost() + "\"", 0, 100000000, Long.MAX_VALUE, 100, CollectionSchema.id.getSolrFieldName(), CollectionSchema.sku.getSolrFieldName());
                         SolrDocument doc;
                         try {
                             while ((doc = dq.take()) != AbstractSolrConnector.POISON_DOCUMENT) {